209999760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18617}}^1$

素因数の和:18680

約数の個数: 80

約数和(自身を含む): 664886016

約数和(自身を除く): 454886256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 18617, 37234, 55851, 74468, 93085, 111702, 148936, 186170, 223404, 279255, 297872, 372340, 446808, 558510, 744680, 874999, 893616, 1117020, 1489360, 1749998, 2234040, 2624997, 3499996, 4374995, 4468080, 5249994, 6999992, 8749990, 10499988, 13124985, 13999984, 17499980, 20999976, 26249970, 34999960, 41999952, 52499940, 69999920, 104999880, 209999760]

約数ペア:

[(1, 209999760), (2, 104999880), (3, 69999920), (4, 52499940), (5, 41999952), (6, 34999960), (8, 26249970), (10, 20999976), (12, 17499980), (15, 13999984), (16, 13124985), (20, 10499988), (24, 8749990), (30, 6999992), (40, 5249994), (47, 4468080), (48, 4374995), (60, 3499996), (80, 2624997), (94, 2234040), (120, 1749998), (141, 1489360), (188, 1117020), (235, 893616), (240, 874999), (282, 744680), (376, 558510), (470, 446808), (564, 372340), (705, 297872), (752, 279255), (940, 223404), (1128, 186170), (1410, 148936), (1880, 111702), (2256, 93085), (2820, 74468), (3760, 55851), (5640, 37234), (11280, 18617)]